@book{ BA11654953,
 author = "Petrie, Ted and Randall, John D.",
 title = "Connections, definite forms, and four-manifolds",
 publisher = "Clarendon Press,Oxford University Press",
 year = "1990",
 series = "Oxford mathematical monographs",
 number = "",
 URL = "https://ci.nii.ac.jp/ncid/BA11654953"
}
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